High-efficiency rotary screen removes solids from wastewater

CST Wastewater Solutions has introduced its latest-technology Rotary Drum Screen for high efficiency screening of industrial and municipal wastewaters.

Featuring all-stainless construction including base frame – and being fully enclosed for OH&S odour and aerosol control - the new design advances rotary drum screen technology well into the 21st century, said Michael Bambridge, Managing Director of CST Wastewater Solutions.

Advantages of the screen, enhancing durability, hygiene and serviceability, include:

non-lubricated chains and non-metallic drive sprockets

upgraded running wheel design

no mechanical parts in contact with screened solids

corrosion resistant

designed to handle high fat and grease loadings

self-cleaning

optional wedgewire slots or perforated holes screening

"The new Rotary Drum Screen has a low investment cost, as well as low operational and maintenance costs. Our wide range of in-house experience means we offer custom-designed machines if needed," Mr Bambridge said.

"The full stainless screen design is highly versatile, accommodating either slot or hole configurations, depending on the application," said Mr Bambridge

The internally fed Rotary Drum Screen can use wedgewire or perforated hole drums.Wastewater passes into the internal feed tank before overflowing the weir onto the screen face of the drum. Solids are collected on the screen face, while the screened water passes through the screen face under gravity. Collected solids are discharged via the screen drum mouth.

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CST Wastewater Solutions services division specialises in the design, construction and provision of wastewater solutions for the treatment and recycling of industrial wastewater.

Through our in house expertise in the food, beverage, paper and other industries, and along with our global partners, we are able to offer the latest and most suitable technologies for most industrial clients’ requirements.

Through our partnership with Global Water we are able to offer our clients the latest technology in the high rate anaerobic pre treatment of wastewaters which allows the important production of biogas. Energy production and reduction in carbon footprints are very important by products of anaerobic treatment.